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Re: Re: add custom environment variable in bash source code

From: Martin D Kealey
Subject: Re: Re: add custom environment variable in bash source code
Date: Thu, 18 Aug 2022 19:31:51 +1000

If you expect LD_PRELOAD to incorporate code into Bash itself, then you
need to set it before you launch Bash; setting it once Bash is running is
too late.

What exactly is the LD_PRELOAD loading for you, and what does THAT do?

On Thu, 18 Aug 2022, 09:19 , <b1431736437@163.com> wrote:

> Because I'm using Android, Android doesn't support #!/bin/sh and
> #!/bin/bash, there is a dynamic library that fixes it, so I want to
> automatically add LD_PRELOAD before starting bash to make this dynamic
> library work , I want to modify the source code of bash to make it
> effective, not the bash.bashrc and profile files in the etc directory,what
> should I do, can you send a video attachment to teach me?
> 在 2022-08-18 00:19:24,"Alex fxmbsw7 Ratchev" <fxmbsw7@gmail.com> 写道:
> maybe just 'eval "declare -gx var=value"' in bash.c code
> On Wed, Aug 17, 2022, 17:53 Chet Ramey <chet.ramey@case.edu> wrote:
> On 8/16/22 10:09 PM, b1431736437@163.com wrote:
> > Bash Version: 5.1
> > Patch Level: 16
> > Release Status: release
> >
> > Description:
> >          excuse me, how can I join the custom environment variable into
> the source code of Bash, and see this variable when execute env
> What is it you want to do? You rarely need to add code to bash to do
> something like that.
> --
> ``The lyf so short, the craft so long to lerne.'' - Chaucer
>                  ``Ars longa, vita brevis'' - Hippocrates
> Chet Ramey, UTech, CWRU    chet@case.edu    http://tiswww.cwru.edu/~chet/

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